CVE-2016-1575

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360	Patch Vendor Advisory
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.html	Third Party Advisory
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/	Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/24/7	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/18/1	Mailing List Third Party Advisory
https://launchpad.net/bugs/1534961	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_core:15.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.10:::::::*
	cpe:2.3:o:canonical:ubuntu_touch:15.04:::::::*

History

No history.

Information

Published : 2016-05-02 10:59

Updated : 2024-02-28 15:21

NVD link : CVE-2016-1575

Mitre link : CVE-2016-1575

CVE.ORG link : CVE-2016-1575

JSON object : View

Products Affected

linux

linux_kernel

canonical

ubuntu_core
ubuntu_touch
ubuntu_linux

CWE

CWE-269

Improper Privilege Management

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